Srimech.com
This is Jim MacArthur's site for mechanical computers, electronics and other projects.
Current projects
![](highlight_images/Computer_August2022.png)
Millihertz 5 Mechanical Computer
2022-11-12
![](highlight_images/wearable-computer-mounted.jpg)
Arm-mounted CRT Raspberry Pi unit
2018-09-15
![](highlight_images/array-logic-v2.png)
General mechanical logic
2017-09-16
![](highlight_images/zeta.jpeg)
Zeta toggle-switch computer
2015-04-11
![](highlight_images/tmachine-nov.jpeg)
Mechanical Turing Machine
2012-06-07
List of blog entries (by date)
![](highlight_images/Computer_August2022.png)
Millihertz 5 Progress August 2022
2022-08-21
![](highlight_images/Computer-April2020.jpg)
Millihertz 5 Progress April 2020
2020-04-10
![](highlight_images/wearable-computer-mounted.jpg)
Arm-mounted CRT Raspberry Pi unit
2018-09-15
![](highlight_images/BabyArchitecture.png)
Mechanical replica of the Manchester SSEM (Baby)
2018-05-10
![](highlight_images/array-logic-diagram.png)
Mechanical array logic
2017-09-16
![](highlight_images/3-to-8-decoder.png)
Mechanical decoder logic
2017-06-25
![](highlight_images/langtons-ant-diagram-1.png)
Langton's Ant with Hexbugs
2017-01-08
![](highlight_images/lasercut-orgate.jpeg)
Sliding plate logic gates
2015-09-29
![](highlight_images/minimus-servo.jpeg)
AVR Minimus servo controller
2015-04-12
![](highlight_images/zeta.jpeg)
Zeta toggle-switch computer
2015-04-11
![](highlight_images/110bot-plywood.jpg)
Rule 110 automaton, version 2
2014-07-29
![](highlight_images/water-logic-layout.png)
Failed experiment: Water logic gates
2014-03-23
![](highlight_images/Tshirt-light.jpeg)
Grue detection t-shirts
2013-06-13
![](highlight_images/NPLStuff.jpeg)
Error correction of the NPL time signal
2012-11-02
![](highlight_images/minibot.jpeg)
Simple, headphone-controlled phone robot
2012-08-13
![](highlight_images/MeteorMiner.png)
More 2D Game demos
2012-08-12
![](highlight_images/Raspi-Thrust.png)
Investigating Raspberry Pi performance problems
2012-07-18
![](highlight_images/collector-screenshot.png)
2D Platform games with PyGame
2012-07-03
![](highlight_images/chordkeyboard.jpeg)
Chorded keyboard for mobile phones
2012-06-07
![](highlight_images/tmachine-derby.png)
Exhibiting the Mk2 Turing machine
2012-06-07
![](highlight_images/lifters-openscad-screenshot.png)
Automating layout of laser-cut models
2012-03-15
![](highlight_images/noimage.png)
Turing Machine and Maker Faire
2011-03-16
![](highlight_images/P1050129.JPG)
3D printed cellular automaton
2011-03-06
![](highlight_images/noimage.png)
Turing machine preview video
2011-01-08
![](highlight_images/noimage.png)
December machinery
2010-12-30
![](highlight_images/noimage.png)
BigTrak + IGEP
2010-12-22
![](highlight_images/turing-26092010.jpg)
September progress on the Turing machine
2010-11-24
![](highlight_images/tmachine-nov.jpeg)
November Turing machine update
2010-11-24
![](highlight_images/wrigley.jpeg)
Robot Hackday success
2010-10-31
![](highlight_images/two-mazes-med.jpg)
Fab Lab success
2010-07-31
![](highlight_images/turing-1.png)
Plans for a mechanical Turing machine
2010-07-31
![](highlight_images/noimage.png)
Camping with dry ice
2010-07-30
![](highlight_images/DSC00066.JPG)
Golf GTI shakedown
2009-12-15
![](highlight_images/IMG_1067.JPG)
Madlabs and Hackspaces
2009-12-15
![](highlight_images/img_0966.jpg)
Opening a WRT150N
2008-11-09
![](highlight_images/img_0987.jpg)
Electric pressure gauges
2008-11-09
Contact details
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